Update README.md

update

README.md

@@ -1,7 +1,11 @@
 # nativescript-input-validator-ng2
 Example of input validation component for nativescript ng2, using class-validator
 ```
-export class Login {
+export abstract class BasicModel {
+
+}
+
+export class Login extends BasicModel  {
 
    @IsEmail(undefined, {message:"Email invalid"})
    @IsNotEmpty({message:"Email is required"})
@@ -10,6 +14,21 @@ export class Login {
    @IsNotEmpty({message:"Password is required"})
    password: string;
 }
+
+export class Book extends BasicModel {
+
+   @IsNotEmpty({message:"Name is required"})
+   name: string;
+
+   @IsNotEmpty({message:"Author is required"})
+   author: string;
+   
+   @IsNotEmpty({message:"Pages is required"})
+   pages: string;
+
+}
 ```
 
 ![screen](https://cloud.githubusercontent.com/assets/22457603/23334454/9ca32b10-fb7d-11e6-84c3-734d63376ff5.png)
+
+![screen-book](https://cloud.githubusercontent.com/assets/22457603/23341455/cffe55f8-fc26-11e6-829f-a8488e2fefa4.png)